Re: [PATCH] UefiPayloadPkg: Use DynamicEx instead of Dynamic to pass PCD across binary

["Guo Dong" <guo.dong@intel.com>]

Reviewed-by: Guo Dong <guo.dong@intel.com>

> -----Original Message-----
> From: Liu, Zhiguang <zhiguang.liu@intel.com>
> Sent: Wednesday, June 2, 2021 7:39 AM
> To: devel@edk2.groups.io
> Cc: Ma, Maurice <maurice.ma@intel.com>; Dong, Guo
> <guo.dong@intel.com>; You, Benjamin <benjamin.you@intel.com>
> Subject: [PATCH] UefiPayloadPkg: Use DynamicEx instead of Dynamic to pass
> PCD across binary
> 
> When passing PCD database from Edk2 boot loader to Universal Payload, the
> local
> token number in boot loader PCD database can be different with that in
> Payload
> PCD database.
> Dynamic PCD directly use local token number, while DynamicEx will search
> token number
> by Guid and ExTokenNumber, which are unique pair and can make sure
> finding the correct
> token number in boot loader's PCD database
> 
> Cc: Maurice Ma <maurice.ma@intel.com>
> Cc: Guo Dong <guo.dong@intel.com>
> Cc: Benjamin You <benjamin.you@intel.com>
> 
> Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
> ---
>  UefiPayloadPkg/UefiPayloadPkg.dsc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc
> b/UefiPayloadPkg/UefiPayloadPkg.dsc
> index 37ad5a0ae7..021d825d0a 100644
> --- a/UefiPayloadPkg/UefiPayloadPkg.dsc
> +++ b/UefiPayloadPkg/UefiPayloadPkg.dsc
> @@ -340,7 +340,7 @@
>  #
> 
> 
> ##########################################################
> ######################
> 
> 
> 
> -[PcdsDynamicDefault]
> 
> +[PcdsDynamicExDefault]
> 
>    gEfiMdeModulePkgTokenSpaceGuid.PcdEmuVariableNvStoreReserved|0
> 
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64|0
> 
> 
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase|0
> 
> --
> 2.30.0.windows.2